Motul RBF 660 has a very high dry boiling point of 617F and a wet boiling point of 399F.
RBF 660 Super Hi-Temp racing brake fluid was developed for high heat and the extreme pressure demands of professional racing. RBF 660 has a low viscosity blended with unmatched performance in the most extreme conditions for minimal hydroscopic effect and very low compressibility. Motul RBF 660 will give solid pedal feel, great response, super high heat protection and maximum life. Bottles are filled with nitrogen to extend shelf life and eliminate contamination while factory sealed.